<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<script src="./node_modules/jquery/dist/jquery.js"></script>
<body>
    <button id="btn">获取数据</button>
</body>
<script>
 $('#btn').on('click', function(){
     $.ajax({
         url: './data.json',
         type: 'get',
         dataType: 'json',
        //  success: function(data){
        //      console.log(data);
        //  }
     }).then(
         function(data){
              console.log(data);
         }
     )
 })
//  05、演示Jquery中的Promise
</script>
</html>